CN101656901B - 消噪系统 - Google Patents

消噪系统 Download PDF

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Publication number
CN101656901B
CN101656901B CN200910164832.6A CN200910164832A CN101656901B CN 101656901 B CN101656901 B CN 101656901B CN 200910164832 A CN200910164832 A CN 200910164832A CN 101656901 B CN101656901 B CN 101656901B
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CN
China
Prior art keywords
signal
noise
mentioned
filter circuit
output
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN200910164832.6A
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English (en)
Chinese (zh)
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CN101656901A (zh
Inventor
木村富至
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Audio Technica KK
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Audio Technica KK
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Publication of CN101656901A publication Critical patent/CN101656901A/zh
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17821—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
    • G10K11/17823—Reference signals, e.g. ambient acoustic environment
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure feedforward
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled
    • G10K2210/1081—Earphones, e.g. for telephones, ear protectors or headsets
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3028—Filtering, e.g. Kalman filters or special analogue or digital filters
CN200910164832.6A 2008-08-21 2009-08-07 消噪系统 Expired - Fee Related CN101656901B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008213174A JP5063528B2 (ja) 2008-08-21 2008-08-21 ノイズキャンセルシステム
JP2008213174 2008-08-21
JP2008-213174 2008-08-21

Publications (2)

Publication Number Publication Date
CN101656901A CN101656901A (zh) 2010-02-24
CN101656901B true CN101656901B (zh) 2014-04-09

Family

ID=41396361

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910164832.6A Expired - Fee Related CN101656901B (zh) 2008-08-21 2009-08-07 消噪系统

Country Status (4)

Country Link
US (1) US20100046769A1 (ja)
EP (1) EP2157568A2 (ja)
JP (1) JP5063528B2 (ja)
CN (1) CN101656901B (ja)

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Publication number Priority date Publication date Assignee Title
US20090175463A1 (en) * 2008-01-08 2009-07-09 Fortune Grand Technology Inc. Noise-canceling sound playing structure
US20110158420A1 (en) * 2009-12-24 2011-06-30 Nxp B.V. Stand-alone ear bud for active noise reduction
CN102314933A (zh) * 2010-07-08 2012-01-11 宏碁股份有限公司 多媒体播放设备及产生多媒体播放设备的输出信号的方法
JP5707824B2 (ja) * 2010-09-29 2015-04-30 ソニー株式会社 制御装置、および制御方法
JP5728215B2 (ja) 2010-12-13 2015-06-03 キヤノン株式会社 音声処理装置及び方法並びに撮像装置
JP5713771B2 (ja) * 2011-04-11 2015-05-07 株式会社オーディオテクニカ 防音送話器
CN102932713B (zh) * 2011-08-10 2015-05-20 瑞昱半导体股份有限公司 信号处理装置
US9082389B2 (en) * 2012-03-30 2015-07-14 Apple Inc. Pre-shaping series filter for active noise cancellation adaptive filter
CN103269465B (zh) 2013-05-22 2016-09-07 歌尔股份有限公司 一种强噪声环境下的耳机通讯方法和一种耳机
CN103856861A (zh) * 2014-03-11 2014-06-11 深圳市中兴移动通信有限公司 主动降噪系统、降噪耳机和移动终端
CN105992095A (zh) * 2015-02-11 2016-10-05 成都瑟曼伽科技有限公司 一种用于乐器音腔的弱音消音设备
US9666175B2 (en) * 2015-07-01 2017-05-30 zPillow, Inc. Noise cancelation system and techniques
CN106026966B (zh) * 2016-05-12 2018-09-25 中国人民解放军国防科学技术大学 一种用于gmi磁传感器的陷波滤波方法及电路
CN105872908A (zh) * 2016-05-23 2016-08-17 北京长安汽车工程技术研究有限责任公司 一种制动系统降噪方法及装置
CN106491140A (zh) * 2016-11-23 2017-03-15 会听声学科技（北京）有限公司 一种听力测试系统及方法
CN108156546B (zh) * 2016-12-05 2019-11-15 骅讯电子企业股份有限公司 主动降噪校正系统与扬声装置
TW201834469A (zh) * 2017-03-03 2018-09-16 樂軒 許 一種可穿戴式立體聲設備
CN108916948B (zh) * 2018-03-08 2020-05-01 佛山市云米电器科技有限公司 一种主动降噪油烟机及降噪方法
CN111395877B (zh) * 2020-03-31 2022-02-22 歌尔科技有限公司 锁具及锁具控制方法、控制装置和可读存储介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1504062A (zh) * 2001-03-14 2004-06-09 噪声消除的改进
CN101179873A (zh) * 2006-11-07 2008-05-14 索尼株式会社 噪声消除系统和噪声消除方法

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* Cited by examiner, † Cited by third party
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US4239939A (en) * 1979-03-09 1980-12-16 Rca Corporation Stereophonic sound synthesizer
US7103188B1 (en) * 1993-06-23 2006-09-05 Owen Jones Variable gain active noise cancelling system with improved residual noise sensing
JP4250421B2 (ja) * 2001-02-14 2009-04-08 ジェンテクス・コーポレーション 車両アクセサリマイクロホン
KR100788678B1 (ko) * 2006-01-14 2007-12-26 삼성전자주식회사 이어폰 기기의 소음 저감 장치 및 방법
JP4458269B2 (ja) * 2005-05-18 2010-04-28 株式会社オーディオテクニカ ノイズキャンセルヘッドフォン
JP2008005269A (ja) * 2006-06-23 2008-01-10 Audio Technica Corp ノイズキャンセルヘッドフォン
JP5564743B2 (ja) * 2006-11-13 2014-08-06 ソニー株式会社 ノイズキャンセル用のフィルタ回路、ノイズ低減信号生成方法、およびノイズキャンセリングシステム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1504062A (zh) * 2001-03-14 2004-06-09 噪声消除的改进
CN101179873A (zh) * 2006-11-07 2008-05-14 索尼株式会社 噪声消除系统和噪声消除方法

Also Published As

Publication number Publication date
JP2010050739A (ja) 2010-03-04
CN101656901A (zh) 2010-02-24
US20100046769A1 (en) 2010-02-25
EP2157568A2 (en) 2010-02-24
JP5063528B2 (ja) 2012-10-31

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